When you need to make very tiny measurements, even noise in closed relays can throw you off. [Marco] was able to observe this effect and wanted to build a switch that didn’t have this problem. He ...
AutomationDirect has added enclosed versions and non-enclosed DIN rail and panel/door mount versions of Merz disconnect / motor control switches. Non-enclosed UL 508 / UL 60947 600VAC manual motor ...
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